16565436425232 has 80 divisors (see below), whose sum is σ = 48019719576960. Its totient is φ = 5467140720000.

The previous prime is 16565436425183. The next prime is 16565436425269. The reversal of 16565436425232 is 23252463456561.

16565436425232 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 54 + 3 + 64 + 2 + 523 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189787644 + ... + 189874907.

It is an arithmetic number, because the mean of its divisors is an integer number (600246494712).

Almost surely, 2^{16565436425232} is an apocalyptic number.

16565436425232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16565436425232 is an abundant number, since it is smaller than the sum of its proper divisors (31454283151728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16565436425232 is a wasteful number, since it uses less digits than its factorization.

16565436425232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379662669 (or 379662657 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 54.

The spelling of 16565436425232 in words is "sixteen trillion, five hundred sixty-five billion, four hundred thirty-six million, four hundred twenty-five thousand, two hundred thirty-two".